OFFICIAL PAGE: Spleeter Web
Spleeter Web is a free web application for isolating or removing the vocal, accompaniment, bass, and/or drum components of any song. Spleeter Web is built with React, Django, and Spleeter and allows you to add Spleeter functionality to your website. In addition to Spleeter, Spleeter Web also supports Demucs, Tasnet, and CrossNet-Open-Unmix (X-UMX) source separation models. Full details at the link above.
Images courtesy of GitHub, Inc.